Product Description Wood boiler parts heat exchanger for heating transfer This unit is a Water to Air Heat Exchanger for use in your hot air plenum of your existing forced air furnace. This unit is most commonly used in conjuction with an outside wood furnace to transfer heat into your existing forced air system. It can also be used with any other source of hot water such as a boiler to create hot air. This exchanger is for use with ANY outdoor wood stove. And also features quality aluminum fins with seamless copper tubes. Materials: Tube coil: 3/8" seamless copper (3row) Plate fin: Aluminum Core housing: Galvanized steel Header: 1" ID Copper Model: Item Btu CFM Pressure Drop Air Pressure Drop Water GPM 12x12 50,000 700 0.5 0.2 6 12x18 80,000 800 0.5 0.2 6 14x14 85,000 800 0.5 0.2 7 14x18 95,000 800 0.5 0.2 7 15x15 98,000 1000 0.51 0.206 8 16x16 90,000 1250 0.51 0.257 8 16x18 100,000 1650 0.81 0.254 10 18x18 130,000 2000 0.91 0.325 12 18x20 140,000 2350 1.32 0.359 14 19x20 150,000 2500 1.49 0.388 15 20x20 160,000 2700 1.38 0.4 16 22x22 170,000 2400 2.08 0.287 21 22x25 180,000 2800 2.10 0.355 21 24x24 200,000 3300 2.14 0.457 21 Company Profile JINAN RETEK INDUSTRIES INC (JINAN RETEKOOL INC) is a professional manufacturer in China, specializing in refrigeration condenser, evaporator, heat exchanger, copper filter driers, thermostats, etc. Our company have advanced manufacture equipment,strong technical team and first-class management system. We have made significant breakthroughs in product research and development. We have more than 30 national patents products & technology .We take the lead in adopting the new design concept for wire tube condenser that can replace coppercondenser. Due to new situation of low carbon and environmental protection, we develop most compact, efficient and highest resistance of salt spray test CO2 refrigerant wire tube condenser. We have been awarded the ISO9001:2008 international quality system certificate, ISO14000, RoHS certificate and UL certificate . Now our products are mainly supplied to refrigerator, freezer, water dispenser, ice storage, refrigeration unit, dehumidifier, wood furnace boiler, heat pump factories. We export to more than 80 countries, include USA, Canada, Italy, Korea, Russia, Pakistan, India, Mexico, Indonesia, Uk..... We are also a supplier of Haier, LG, Meiling, Gree, Winix and other famous companies. Our company attaches great importance to the after-sales service of our products. We have set up offices in Jinan, Ningbo, Suzhou, Qingdao, and Jining to fully solve every customer's worries. Never forget our original aspiration and founding mission. We insist on scientific and technological innovation and integrity brand.We sincerely look forward to cooperating with various industries to create brilliance together! We warmly welcome friends from all over the world to visit, guide and negotiate business. Exhibition